What type of crowd can be considered aggressive?

An aggressive crowd is typically characterized by high levels of emotional arousal, and a mob specifically embodies this type of dynamic. Mobs are often driven by strong emotions, such as anger or frustration, and can exhibit violent or disorderly behavior. This fits the definition of an aggressive crowd, which is often more reactive and can escalate situations quickly, particularly in response to provocations or perceived injustices.

In contrast, a rally is usually organized around a specific cause and tends to be peaceful, while gatherings and assemblies are generally more informal and orderly. These types of crowds usually do not have the volatile characteristics associated with aggression that a mob displays. Therefore, the context and inherent dynamics of the mob make it the clear choice for defining an aggressive crowd.